the world is already mostly digital and is moving towards becoming completely digital but none of it has anything to do with blockchain technology or cryptocurrencies. in fact the blockchain technology has a lot of potential but these are limited to certain areas, mainly a decentralized currency is the focus of the usage of this technology and not much else. in other areas this technology is not as good.
yes the world is now mostly digital, crypto might affect financially into the digital revolution, because the financial world there is still not fully digital, since the existence of bitcoin changes in the financial sector are more digital, and this may be a change in the future